Home / 40,516,615.36-55,918,253.91-23,108,970.16

Finding the Fourth Proportional to 40,516,615.36, 55,918,253.91 and 23,108,970.16

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Solution

The fourth proportional to 40,516,615.36, 55,918,253.91 and 23,108,970.16 is: 31,893,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,516,615.36 : 55,918,253.91 = 23,108,970.16 : x
  2. Step 2: Convert to fraction form
    40,516,615.36/55,918,253.91 = 23,108,970.16/x
  3. Step 3: Cross multiply
    40,516,615.36x = 55,918,253.91 × 23,108,970.16
  4. Step 4: Simplify right side
    40,516,615.36x = 1,292,213,261,005,493.25
  5. Step 5: Solve for x
    x = 1,292,213,261,005,493.25/40,516,615.36
  6. Step 6: Final answer
    x = 31,893,415.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.